Made of Comfortable, Top-Grade Silicone: Food safe silicone makes a great straw material! Never worry about it clinking against your teeth and burning your lips like metal straws do! And it’s great as a smoothie and milkshake straw! Foldable Silicone Straw That’s Reusable: You’ll have fun folding the straw and tucking it into the storage case, just like you did when you were a kid playing with clay dough! And, this handy box keeps the straw and the brush protected, clean and portable! Our reusable straw is made of food grade silicone Each silicone drinking straw comes with its very own flexible cleaning brush and matching box. Soft silicone won’t burn your lips or ding against your teeth - very comfortable and safe! A pocket-size carrying case is easy to toss in your handbag, gym bag or laptop case! Care and Use: Easy - just hand wash it before your first use - baking soda and diluted vinegar are great for stains and keep mildew at bay. Please no bleach or abrasive cleaner